Q80.4Billable

Harlequin fetus

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q80
Effective date
October 1, 2026

Related codes in category Q80

Q80Congenital ichthyosisQ80.0Ichthyosis vulgarisYesQ80.1X-linked ichthyosisYesQ80.2Lamellar ichthyosisYesQ80.3Congenital bullous ichthyosiform erythrodermaYesQ80.8Other congenital ichthyosisYesQ80.9Congenital ichthyosis, unspecifiedYes

Frequently asked questions

What is ICD-10 code Q80.4?

Q80.4 is an ICD-10-CM diagnosis code for Harlequin fetus.

Is Q80.4 a billable code?

Yes. Q80.4 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q80.4 in?

Q80.4 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q80.4 become effective?

Q80.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q80.4?

Q80.4 belongs to category Q80, which includes 7 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.